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EP1758383A2 - Inhaltsbasierte Navigation in Live und aufgezeichneten Fernseh- und Videoprogrammen - Google Patents

Inhaltsbasierte Navigation in Live und aufgezeichneten Fernseh- und Videoprogrammen Download PDF

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Publication number
EP1758383A2
EP1758383A2 EP06119180A EP06119180A EP1758383A2 EP 1758383 A2 EP1758383 A2 EP 1758383A2 EP 06119180 A EP06119180 A EP 06119180A EP 06119180 A EP06119180 A EP 06119180A EP 1758383 A2 EP1758383 A2 EP 1758383A2
Authority
EP
European Patent Office
Prior art keywords
video program
user
text
live video
images
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP06119180A
Other languages
English (en)
French (fr)
Other versions
EP1758383A3 (de
Inventor
David Crawford Gibbon
Zhu Liu
Behzad Shahraray
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
AT&T Corp
Original Assignee
AT&T Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US11/263,059 external-priority patent/US9042703B2/en
Priority claimed from US11/263,048 external-priority patent/US9020326B2/en
Application filed by AT&T Corp filed Critical AT&T Corp
Publication of EP1758383A2 publication Critical patent/EP1758383A2/de
Publication of EP1758383A3 publication Critical patent/EP1758383A3/de
Withdrawn legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
    • G11B27/19—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier
    • G11B27/28—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/70—Information retrieval; Database structures therefor; File system structures therefor of video data
    • G06F16/78—Retrieval characterised by using metadata, e.g. metadata not derived from the content or metadata generated manually
    • G06F16/783—Retrieval characterised by using metadata, e.g. metadata not derived from the content or metadata generated manually using metadata automatically derived from the content
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/70—Information retrieval; Database structures therefor; File system structures therefor of video data
    • G06F16/78—Retrieval characterised by using metadata, e.g. metadata not derived from the content or metadata generated manually
    • G06F16/783—Retrieval characterised by using metadata, e.g. metadata not derived from the content or metadata generated manually using metadata automatically derived from the content
    • G06F16/7844—Retrieval characterised by using metadata, e.g. metadata not derived from the content or metadata generated manually using metadata automatically derived from the content using original textual content or text extracted from visual content or transcript of audio data
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
    • G11B27/102—Programmed access in sequence to addressed parts of tracks of operating record carriers
    • G11B27/105—Programmed access in sequence to addressed parts of tracks of operating record carriers of operating discs
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
    • G11B27/19—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier
    • G11B27/28—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording
    • G11B27/32—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on separate auxiliary tracks of the same or an auxiliary record carrier
    • G11B27/322—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on separate auxiliary tracks of the same or an auxiliary record carrier used signal is digitally coded

Definitions

  • the present invention relates to navigating video content and more specifically to a system and method of real-time processing and navigation of TV and Video content using advanced navigation and information derived from the media.
  • Such content-based methods extract information from the media by processing the image sequences (to extract a pictorial index of a program) and the linguistic information in form of closed captioning text, or text extracted automatically by performing speech recognition. The words and images are then used to search for relevant content or to navigate the video program in a content-based way.
  • digital recorders DVR, PVR, Windows Media Center Edition
  • TV set-top-boxes not only has enabled the recording of TV programs for later viewing, but also has enabled users to pause and restart the live TV as well as jump backwards in the video to an earlier point, and jump forward to a point in live program that has been already recorded.
  • the current state-of-the-art in performing such navigation relies on a forward and backward button on the GUI or on a remote control to jump backward or forward by a predetermined fixed amount, or put the replay in a rewind or fast-forward mode while displaying the video and rely on the user to stop this fast motion and go back to normal play mode, or to move a slider left or right to go backward or forward in the program.
  • the only feedback mechanism used during this process is usually a timeline showing the current position of the live broadcast, and the temporal position of the current replay.
  • the linear navigation of the live video can be significantly improved by using more intelligent, content based indexing techniques.
  • the user can non-linearly jump to the points of interest in the program (forward and backward) by selecting the scene of interest (from a GUI or using a remote).
  • the pictorial index extraction is done in real-time as the video is being received and is ready to be used for navigation immediately.
  • the indexing information can accompany the program and just be used by the system for navigational purposes.
  • the preferred embodiment covers the case where the receiving set-top-box or other video replay device processing the incoming data to extract such information automatically.
  • Examples of the context of the need for this invention include where DVR (digital video recorder), PVR (personal video recorder), TiVo® live TV pausing, personal computers equipped with hardware and software to support PVR-like functionality (e.g., Microsoft Media Center Edition operating system and the like) and other capabilities where users can store live TV for review and later viewing.
  • PVR digital video recorder
  • TiVo® live TV pausing personal computers equipped with hardware and software to support PVR-like functionality (e.g., Microsoft Media Center Edition operating system and the like) and other capabilities where users can store live TV for review and later viewing.
  • PVR-like functionality e.g., Microsoft Media Center Edition operating system and the like
  • the invention provides for methods, systems and computer-readable media for content-based navigation of live and recorded TV or video broadcasts.
  • An example method embodiment of the invention comprises a method for providing real-time content-based navigation of live video programming.
  • Example steps include receiving a live video program, generating an index to the received live video program by extracting images and/or text from the video program, recording the live video program, presenting a search field to a user to enable the user to search at least one of text information and image information associated with the live video program, receiving user search input regarding a portion of the recorded video program to which the user desires to navigate, navigating to the portion of the recorded video program associated with the search input and playing back the recorded video program starting at the navigated portion.
  • Another example method embodiment of the invention comprises a method for providing real-time content-based navigation of live video programming.
  • Example steps include receiving a live video program, generating an index to the received live video program by extracting images and/or text from the video program, recording the live video program, presenting at least a portion of data associated with the generated index to a user, receiving user input regarding a portion of the recorded video program to which the user desires to navigate and playing back the recorded video program starting at the navigated portion identified by the user input.
  • system and computer-readable medium embodiments are also contemplated of a similar scope to the method.
  • the system would utilize, for example, programmed modules that would perform the steps set forth in the method embodiment.
  • the computer-readable medium would store instructions to enable a computing device to perform the steps of the invention.
  • FIG. 1 provides an example system embodiment of the invention
  • FIG. 2A illustrates another example system embodiment of the invention
  • FIG. 2B illustrates a display which includes extracted images and text used for navigation
  • FIG. 3 illustrates a method embodiment of the invention
  • FIG. 4 illustrates another embodiment of the invention.
  • FIG. 1 and the related discussion are intended to provide a brief, general description of a suitable computing environment 100 in which the invention may be implemented.
  • the invention will be described, at least in part, in the general context of computer-executable instructions, such as program modules, being executed by a personal computer.
  • program modules include routine programs, objects, components, data structures, etc. that perform particular tasks or implement particular abstract data types.
  • program modules include routine programs, objects, components, data structures, etc. that perform particular tasks or implement particular abstract data types.
  • program modules include routine programs, objects, components, data structures, etc. that perform particular tasks or implement particular abstract data types.
  • the invention may be practiced with other computer system configurations, including hand-held devices, multiprocessor systems, microprocessor-based or programmable consumer electronics, network PCs, minicomputers, mainframe computers, and the like.
  • the invention may also be practiced in distributed computing environments where tasks are performed by remote processing devices that are linked through a communications network.
  • program modules may be located in both local and remote memory storage devices.
  • an exemplary system 100 for implementing the invention includes a general purpose computing device in the form of a conventional personal computer 100, including a processing unit (CPU) 120, a system memory 130, and a system bus 110 that couples various system components including the system memory 130 to the processing unit 120.
  • the system bus 110 may be any of several types of bus structures including a memory bus or memory controller, a peripheral bus, and a local bus using any of a variety of bus architectures.
  • the system memory 130 includes read only memory (ROM) 140 which may also include random access memory (RAM) 140.
  • ROM read only memory
  • RAM random access memory
  • the personal computer further includes a disk drive 150 for storing data.
  • Other storage media such as a magnetic disk, removable disk, optical disk and so forth may be utilized as well.
  • the storage device 150 is connected to the system bus 110.
  • the drives and the associated computer-readable media provide nonvolatile storage of computer readable instructions, data structures, program modules and other data for the personal computer 100.
  • An input device 160 and an output device 170 communicate with the bus 110 to process data between the device 100 and a user. These include such features as keyboard, touch-sensitive pad, mouse or similar device, motion sensing, automatic speech recognition (natural language spoken dialog interfacing) and so forth. Any type of interaction with the computing device may be utilized.
  • a communication interface 180 will provide communication as is known in the art to other computing devices for networking or other purposes.
  • FIG. 2A illustrates the general system embodiment of the invention in the context of receiving a video program.
  • System 200 includes a program source 202 that communicates a video program to a program receiver 204.
  • a content-based navigation (CBN) module 206 is associated with the receiver 204 for performing the steps and processes of the invention.
  • a separate computing device 208 may be a hand-held remote or other type of device which the user can hold to utilize the navigation capabilities of the invention.
  • the program source may be any known to those of skill in the art. For example, cable, satellite, broadcast, the Internet, or any other type of programming source is contemplated.
  • the program receiver 204 is any computing device such as a TiVo®, digital video recorder (DVR) or any other type of computing device that is programmed and capable of receiving the broadcast video programming.
  • DVR digital video recorder
  • FIG. 2B illustrates an example of a video display 220 that comprises a video presentation 222 and a series of extracted images and text. These are shown as part of the display but the extracted images may also be only presented on the separate display 208. Images 224, 228 and 232 as well as associated text 226, 230, 234 are available for the user for navigation of the video presentation 222. Of course, variations on this presentation are contemplated, such as text only, video images only or some other combination.
  • FIG. 3 illustrates a method embodiment of the basic steps of the invention.
  • the method comprises receiving a live video program (302), generating an index to the received live video program by extracting images and text from the video program (304), recording the live video program (306), presenting at least a portion of data associated with the generated index to a user (308), receiving user input regarding a portion of the recorded video program to which the user desires to navigate (310) and playing back the recorded video program starting at the navigated portion identified by the user input (312).
  • the index may be used to jump backward and forward to points of interest or locations within the programming to which the user desires to navigate based on the images and/or text.
  • the user could navigate up to the point that the live broadcast has been reached.
  • the user can navigate to any point in the program.
  • the index (e.g, a pictorial, textual, or combination of both) can be presented to the user on the same display that is being used to play the video 204, or can be put on another device such as a hand-held remote control device 208 with a display which is capable of displaying the images and/or text and accepting user input.
  • the handheld device would have a touch or pen sensitive screen or other means of navigation or selection known to those of skill in the art.
  • Wired or wireless communications may be utilized to communicate with a mobile computing device.
  • the components for creating such a system may comprise video processing techniques (such as performed by a content-based sampling module) to extract the index frames.
  • video processing techniques such as performed by a content-based sampling module
  • closed captioning may include several different languages and various means may be employed to retrieve one or more of the languages in the closed captioning information.
  • the textual information can be supplied/extracted from other sources such as teletext, or subtitles in case of contents such as DVD movies which contain subtitles in several languages.
  • One aspect of the present invention is the use of content-based navigation to live broadcasts.
  • the invention fulfills the need to create easy-to-use and effective navigation mechanisms to enable the user to play a particular scene of the live video again, or skip over unwanted content (e.g., commercials) in a reliable way.
  • the other attempts to do this are limited to fixed jumps, and fast-forward, rewind mechanisms.
  • the points to which the user can jump can be supplied ahead of time and sent with the content, can be automatically extracted by processing the content or can simply manually be bookmarked by the viewer.
  • a user may "TiVo" or record a video program such as a sitcom. While the user records the program on a hard disk or some other medium on a local computing device 204, the method involves generating an index of the video program as it is being recorded. The user may be watching the program as it is being recorded and can navigate back and forth without interfering with the recording process. Therefore, once the program or a part of the program is recorded, the user can more easily navigate through the program. Instead of being presented with an opportunity to linearly rewind or fast forward, the invention involves presenting to the user a portion of the index such as images and text such that the user can skip directly to the portion of the sitcom after the commercials.
  • the portion of data associated with the index is at least one of images extracted from the live video program, text or a combination of text and images, and may be scrolled to view the index for the portions of interest.
  • the portion of data associated with the index may also be other data obtained externally from the live video program such as an external database or the Internet.
  • the portion of the data may also accompany the live video program in a separate bitstream or in some other fashion.
  • An example of this approach is where information about each actor such as name, history, other programs, etc. may be obtained from the Internet (or any other source separate from the source of the video program being recorded) while the program index is being generated.
  • the local set-top box 204 that stores the program may be in communication with the internet 210 and contact a webservice 212 that supplements the index as it is generated.
  • FIG. 2A illustrates several of these features. This enables the index to have up-to-date information. Furthermore, if the user accesses the index later, such as, for example, one month later, the index can also be
  • FIG. 4 illustrates another embodiment of the invention. This relates to providing a searchable database when navigating through the video program.
  • the user may desire to search for a particular phrase or statement made in the video presentation.
  • One way for the user to begin viewing the video program at the scene where the phrase was spoken (or where an image is contained) is for the user to be able to search for the words or for the image.
  • the user can be presented a search field in which to enter search terms.
  • the terms may relate to spoken words, or a description of an image. For example, if the movie "The Sound of Music" is being played, the user may put in the words “mountain” and "hiking” and be able to retrieve the scene where the family is hiking through the mountains and singing.
  • the indexing mechanisms may include a searchable field generation module that will perform an analysis on the images and identify descriptions of images for each scene.
  • data may include, for example, cars, buildings, mountains, etc.
  • the video program may also include embedded data that is associated with the images that can be extracted via a search module.
  • Text from a transcription or a subtitle or any other source may be used to generate a database that enables the user to search for a particular spoken word.
  • Other databases from other sources or within the video program stream may include other information such as music, composers, actors, or other information that the user may be able to search.
  • this embodiment of the invention introduces a search capability to a live video program that improves the usability and searchability for a user to navigate to a particular portion of a video presentation.
  • the method embodiment relates to a method for providing real-time content-based navigation of live video programming.
  • the method comprises receiving a live video program (402), generating an index to the received live video program by extracting images and/or text from the video program (404), recording the live video program (406), presenting a search field to a user to enable the user to search at least one of text information and image information associated with the live video program (408), receiving user search input regarding a portion of the recorded video program to which the user desires to navigate (410), navigating to the portion of the recorded video program associated with the search input (412) and playing back the recorded video program starting at the navigated portion (414).
  • the search field may receive input via typing, user speech, or any modality of input.
  • the input field data may relate to text, images or any type of data associated with the video program that is searchable. Combinations may be available as well, wherein the user can input text and data associated with an image. For example, image data relating to "mountain" and a text associated with a phrase that was spoken or sung.
  • the method comprises identifying at least one video program scene with the images that are similar to the scene associated with the user search. For example, if there are multiple scenes with mountains in a video program and the user searches for images with mountains, before starting the program at a mountain-related scene, the method comprises presenting the plurality of matching images to the user so that the user can select the desired navigational point in the video program.
  • the user may also be able to specify an image and also request similar images in the search. For example, the user may type (or speak or input in any method) the word "mountain.” The user could select an image of a mountain as the scene to navigate too.
  • the system may also analyze the search and present to the user similar images such as all landscapes. Then the method comprises playing the video program at the selected point.
  • a module is used to generate a searchable database of images and/or text from the video program. This database is then queried when the user inputs search information. The user may be able to select a text search or an image search for the search terms. The databases are queried and then tied to the indexing information so that the system can play the video program from the desired location.
  • Embodiments within the scope of the present invention may also include computer-readable media for carrying or having computer-executable instructions or data structures stored thereon.
  • Such computer-readable media can be any available media that can be accessed by a general purpose or special purpose computer.
  • Such computer-readable media can comprise RAM, ROM, EEPROM, CD-ROM or other optical disk storage, magnetic disk storage or other magnetic storage devices, or any other medium which can be used to carry or store desired program code means in the form of computer-executable instructions or data structures.
  • a network or another communications connection either hardwired, wireless, or combination thereof
  • any such connection is properly termed a computer-readable medium. Combinations of the above should also be included within the scope of the computer-readable media.
  • Computer-executable instructions include, for example, instructions and data which cause a general purpose computer, special purpose computer, or special purpose processing device to perform a certain function or group of functions.
  • Computer-executable instructions also include program modules that are executed by computers in stand-alone or network environments.
  • program modules include routines, programs, objects, components, and data structures, etc. that perform particular tasks or implement particular abstract data types.
  • Computer-executable instructions, associated data structures, and program modules represent examples of the program code means for executing steps of the methods disclosed herein. The particular sequence of such executable instructions or associated data structures represents examples of corresponding acts for implementing the functions described in such steps.
  • Embodiments of the invention may be practiced in network computing environments with many types of computer system configurations, including personal computers, hand-held devices, multi-processor systems, microprocessor-based or programmable consumer electronics, network PCs, minicomputers, mainframe computers, and the like. Embodiments may also be practiced in distributed computing environments where tasks are performed by local and remote processing devices that are linked (either by hardwired links, wireless links, or by a combination thereof) through a communications network. In a distributed computing environment, program modules may be located in both local and remote memory storage devices.

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  • Engineering & Computer Science (AREA)
  • Library & Information Science (AREA)
  • Theoretical Computer Science (AREA)
  • Multimedia (AREA)
  • Data Mining & Analysis (AREA)
  • Databases & Information Systems (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
  • Television Signal Processing For Recording (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
EP06119180A 2005-08-23 2006-08-18 Inhaltsbasierte Navigation in Live und aufgezeichneten Fernseh- und Videoprogrammen Withdrawn EP1758383A3 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US71069505P 2005-08-23 2005-08-23
US11/263,059 US9042703B2 (en) 2005-10-31 2005-10-31 System and method for content-based navigation of live and recorded TV and video programs
US11/263,048 US9020326B2 (en) 2005-08-23 2005-10-31 System and method for content-based navigation of live and recorded TV and video programs

Publications (2)

Publication Number Publication Date
EP1758383A2 true EP1758383A2 (de) 2007-02-28
EP1758383A3 EP1758383A3 (de) 2008-10-22

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CA (1) CA2556641A1 (de)

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EP2140337A1 (de) * 2007-04-23 2010-01-06 Digital Fountain, Inc. Vorrichtung und verfahren zur abspielpositionsvoransicht von videoinhalten mit geringer bandbreite
CN101902601A (zh) * 2009-05-29 2010-12-01 Lg电子株式会社 图像显示装置及其操作方法
CN101540947B (zh) * 2009-04-03 2011-12-07 中兴通讯股份有限公司 移动流媒体模拟直播方法及其使用的内容切换方法
CN102316370A (zh) * 2010-06-29 2012-01-11 腾讯科技（深圳）有限公司 显示播放信息的方法和装置
US8358377B2 (en) 2009-06-02 2013-01-22 Lg Electronics Inc. Image display apparatus and operating method thereof
US8635658B2 (en) 2009-05-11 2014-01-21 Microsoft Corporation Broadcast social and media navigation system
US9237296B2 (en) 2009-06-01 2016-01-12 Lg Electronics Inc. Image display apparatus and operating method thereof
CN102316370B (zh) * 2010-06-29 2016-12-14 腾讯科技（深圳）有限公司 显示播放信息的方法和装置

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Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2140337A1 (de) * 2007-04-23 2010-01-06 Digital Fountain, Inc. Vorrichtung und verfahren zur abspielpositionsvoransicht von videoinhalten mit geringer bandbreite
CN101702941A (zh) * 2007-04-23 2010-05-05 数字源泉公司 用于视频内容的低带宽播放位置预览的方法和装置
EP2140337A4 (de) * 2007-04-23 2010-06-23 Digital Fountain Inc Vorrichtung und verfahren zur abspielpositionsvoransicht von videoinhalten mit geringer bandbreite
JP2010525748A (ja) * 2007-04-23 2010-07-22 デジタル ファウンテン， インコーポレイテッド ビデオ内容の低帯域幅再生位置プレビューを行うための装置および方法
US8850318B2 (en) 2007-04-23 2014-09-30 Digital Fountain, Inc. Apparatus and method for low bandwidth play position previewing of video content
WO2009057047A2 (en) * 2007-10-29 2009-05-07 Nokia Corporation Fast and editing-friendly sample association method for multimedia file formats
WO2009057047A3 (en) * 2007-10-29 2009-07-02 Nokia Corp Fast and editing-friendly sample association method for multimedia file formats
CN101540947B (zh) * 2009-04-03 2011-12-07 中兴通讯股份有限公司 移动流媒体模拟直播方法及其使用的内容切换方法
US8635658B2 (en) 2009-05-11 2014-01-21 Microsoft Corporation Broadcast social and media navigation system
EP2257049A1 (de) * 2009-05-29 2010-12-01 Lg Electronics Inc. Bildanzeigevorrichtung und entsprechendes Bedienungsverfahren
US8595766B2 (en) 2009-05-29 2013-11-26 Lg Electronics Inc. Image display apparatus and operating method thereof using thumbnail images
CN101902601A (zh) * 2009-05-29 2010-12-01 Lg电子株式会社 图像显示装置及其操作方法
US9237296B2 (en) 2009-06-01 2016-01-12 Lg Electronics Inc. Image display apparatus and operating method thereof
US8358377B2 (en) 2009-06-02 2013-01-22 Lg Electronics Inc. Image display apparatus and operating method thereof
CN102316370A (zh) * 2010-06-29 2012-01-11 腾讯科技（深圳）有限公司 显示播放信息的方法和装置
CN102316370B (zh) * 2010-06-29 2016-12-14 腾讯科技（深圳）有限公司 显示播放信息的方法和装置

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